The main difference between the Under Armour Hustle 4.0 Backpack and the Under Armour Flex Sling Bag is that the Hustle 4.0 Backpack has Water Proof / Water Resistant (UA Storm technology highly water-resistant finish) while the Flex Sling Bag does not.
Specs | Brand | Under Armour | Under Armour |
Name | Hustle 4.0 Backpack | Flex Sling Bag | |
Category | Sports | Sling | |
Sub Category | Gym | Mens | |
Capacity (L) | 26L | 15L | |
Dimensions (in) | 5.9 x 13 x 19.3 | 10.9 x 4.3 x 17.3 | |
Weight (lb) | 1.3 | 0.7 | |
Fabric | 100% Polyester | 100% Polyester | |
Color | 40+ colors and patterns | 2 colors and patterns | |
Warranty | Under Armour 60 Days Return Policy | Under Armour 60 Days Return Policy | |
Release Date | May 31, 2019 | ||
Rating | 4.8 | 4.2 | |
Price | Under $75 | Under $50 | |
General Features | Shoulder Straps | Adjustable HeatGearĀ® curved padded shoulder straps | Adjustable cross-body strap |
Water Proof / Water Resistant | UA Storm technology highly water-resistant finish | ||
Zippers | Rugged zippers | ||
Main Compartment Access | Normal zipped access | Top access with cinch closure | |
External Pockets | 1 zipped front pocket, 1 bottom pocket, and 2 side pockets | 1 front and 2 side pockets | |
Internal Compartments | Dual main compartment with inner pockets | ||
Side Pockets | Side pockets can fit water bottle | Side pockets can fit water bottle | |
Water Bottle | Yes | Yes | |
Handles | Padded top grab handle | ||
Loops and Attachments | D-ring on front panel | ||
Lightweight | Yes | ||
Business & School Features | Laptop Sleeve | Soft-lined padded sleeve holds up to 15" laptop | |
Organizer Pocket | Front utility pocket with organizer | ||
Travel Features | Base / Bottom | Tough, abrasion-resistant bottom panel | |
Gym / Sports Features | Shoe Compartment | Gusseted laundry or shoe bottom pocket | Stretch shoe pocket on front panel with buckle closure fits pair of shoes |
Under Armour 's Hustle 4.0 Backpack is a Sports backpack with Gym features while Under Armour 's Flex Sling Bag is a Sling backpack with Mens features.
The Under Armour Hustle 4.0 Backpack has a capacity of 26L (liters), weighs 1.3 pounds and it's dimensions in inches are 5.9 x 13 x 19.3. It's made of 100% Polyester and is available in 40+ colors and patterns in comparison the Under Armour Flex Sling Bag's capacity is 15L with a size of 10.9 x 4.3 x 17.3 inches. Constructed from 100% Polyester it weighs 0.7 pounds and is available in 2 colors and patterns.
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